Seeing for Ashburn

Tue 2026-02-17 to Wed 2026-02-18
Ground Sky
Hour (EST) Temp rel. hum. Clouds
Best values are marked
arc sec.
13 53 °F 65% 72 1.15
14 55 °F 62% 66 1.17
15 56 °F 60% 74 1.20
16 55 °F 60% 100 1.22
17 53 °F 64% 78 1.24
18 51 °F 68% 82 1.25
19 49 °F 72% 81 1.27
20 48 °F 74% 82 1.31
21 47 °F 76% 74 1.35
22 46 °F 78% 100 1.35
23 46 °F 81% 93 1.33
0 45 °F 82% 73 1.34
1 46 °F 84% 62 1.43
2 46 °F 84% 73 1.29
3 46 °F 85% 88 1.21
4 45 °F 85% 100 1.25
5 45 °F 85% 100 1.25
6 45 °F 85% 100 1.17
7 46 °F 85% 100 1.07
8 47 °F 84% 100 1.26
9 49 °F 81% 100 1.33
10 51 °F 78% 100 1.46
11 52 °F 76% 100 1.58
12 53 °F 74% 100 1.72